THEORIES
Abraham Maslow wrote about the basic needs he, thought the personality is developing meanwhile some needs are satisfied, he compared with a pyramid in his theory of Human Motivation, he uses the image of a pyramid to describe the progress of personality, the first level is the fight of the man for survive in this phase the most important for man is food, dressed and house and his behavior is based in instincts As people progress up the pyramid, needs become increasingly psychological and social. Soon, the need for love, friendship, and intimacy become important. Maslow emphasized the importance of self-actualization, which is a process of growing and developing as a person in order to achieve individual potential. Meanwhile the man doesn´t get the needed to exists, cannot advance in his development or think in other superior needs.
Erick Erickson. He was heavily impacted by the Oglala tribe of the Dakota Indians (USA) in launching his theory of personality, watching as were gradually losing their culture to take Western culture and noting that any race that migrates the same thing happens, without departing from the theories of Freud, his theory is oriented towards society and culture. States that the development of the personality due to a genetic principle and that there are 8 phase in the development and our progress through them depends on our success or failure.
Each phase comprises certain tasks or functions which are psychosocial each phase has its optimal time to be fulfilled, if satisfied in quality and time are forged virtues in the individual and if not, develop malignancies